diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e95691..38b4549 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # 更新日志
+## 2019.05.15
+- `mitv` 更正一处错误。
 ## 2019.05.08
 - `xiaomi` 更新小米 MIX 3 5G 代号。
 - `xiaomi_en` Updated Mi MIX 3 5G codename.
diff --git a/README_en.md b/README_en.md
index 3b90858..575e0dc 100644
--- a/README_en.md
+++ b/README_en.md
@@ -8,7 +8,7 @@ Collecting device names, models and internal codenames.
 | :-: | :-: | :-: |
 | [apple](https://github.com/KHwang9883/MobileModels/blob/master/brands/apple_en.md) | Apple | iPhone, iPad, iPod touch and Apple Watch |
 | [oneplus](https://github.com/KHwang9883/MobileModels/blob/master/brands/oneplus_en.md) | OnePlus | All models |
-| [xiaomi](https://github.com/KHwang9883/MobileModels/blob/master/brands/xiaomi_en.md) | Xiaomi | Xiaomi Mi Phones, Redmi Phones, POCOPHONE and Blackshark |
+| [xiaomi](https://github.com/KHwang9883/MobileModels/blob/master/brands/xiaomi_en.md) | Xiaomi | Xiaomi Mi Phones, Redmi Phones, POCOPHONE and Black Shark |
 
 ## Changelog
 
diff --git a/brands/mitv.md b/brands/mitv.md
index b7887ed..13fabf7 100644
--- a/brands/mitv.md
+++ b/brands/mitv.md
@@ -1,4 +1,4 @@
-# 小米电视型号汇总 20190424
+# 小米电视型号汇总 20190515
 
 ## 国内产品
 
@@ -142,7 +142,7 @@ L43M5-FA: 小米全面屏电视 43 英寸 E43A
 
 L55M5-AZ: 小米全面屏电视 55 英寸 E55A
 
-L55M5-AZ: 小米全面屏电视 55 英寸 E55C
+L55M5-EC: 小米全面屏电视 55 英寸 E55C
 
 L65M5-EA: 小米全面屏电视 65 英寸 E65A
 
diff --git a/docs/小米电视型号汇总.docx b/docs/小米电视型号汇总.docx
index 484fd25..6e0f3e0 100644
Binary files a/docs/小米电视型号汇总.docx and b/docs/小米电视型号汇总.docx differ